depolarization synapse endorphins peripheral nervous system hyperpolarization neuroglia Structures of the nervous system surrounding, but not part of the central nervous system are part of the When a neuron is stimulated and sodium channels open, the process of has begun. Two consecutive neurons communicate at a where they physically come together. are a group of natural chemicals that reduce the perception of pain. When potassium channels have been open long enough to over-shoot resting membrane potential, has occurred Supporting cells of the nervous system are collectively called

The functions of proteins in living organisms include carrying oxygen, providing structure and support to cells and repairing cells.

The role of proteins in an organism are diverse but they can be categorized in a wide sense as enzymatic or structural functions, which are fundamental to carrying out metabolic activities in the cells.

Therefore, with this data, we can see that the role of proteins in an organism can be classified as functional and enzymatic and they are key to sustaining life in the cells.

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Explanation:

Look the animals as much as humans need air to live right? Well when those cells finish their work they just create carbon dioxide when you or the animal exhale with exhale you create Carbon Dioxide and thats how the Animals exchange oxygen with the Plants and the Plants and Animals exhange oxygen with animals.

Answer:

Asteroids are smaller than most planets, but are bigger than meteroids.

Explanation:

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Answer:

1. c bond

2. b chemical formula

3. h chemical bond

4. g crystalline structure

5. e covalent bond

6. d ionic bond

7. f molecule

8. a molecular model

Asexual Reproduction

Explanation:

Asexual Reproduction the simplest and most primitive method of reproduction, involves a single parent and produces a clone, an organism that is genetically identical to the parent. Haploid gametes are not involved in asexual reproduction.

Inference from phylogenic tree is:

Species A was probably much larger than any of the other organisms.

What is phylogenic tree?

A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

What can phylogenetic trees tell us?

A phylogenetic tree can help trace a species back through evolutionary history, down the branches of the tree, and locate their common ancestry along the way.

Hence ,option A is correct

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The two types of dental caries described by location is pit and fissure, and is therefore denoted as option C.

This is a medical condition which is also referred to as tooth decay or cavities and occurs when certain bacteria in the mouth converts sugar into acid and then it demineralizes and erodes the enamel thereby resulting in holes being formed in the area.

The enamel is the structure found in the teeth that serves as insulator which protects other delicate tissues from chemical and physical forces for its optimal functioning.

There are however two types of dental caries described by location and they are pit and fissure. These condition can be treated using the application of fluorides and also antibacterials to the affected area for best possible result.

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Answer: it’s a

Explanation:

The genesis of the Moon cannot be explained by plate tectonics. Large rock slabs called tectonic plates, which separate the Earth's crust, are continually moving and changing the planet's topography. Hence (b) is the correct option.

According to the framework of ideas underlying plate tectonics theory, the Earth's outer shell (lithosphere), which is divided into many plates, floats above the soft core (mantle) atop the planet's rocky inner layer. Where plates push together or converge, mountains will rise, and where plates pull apart or diverge, continents will split and oceans will arise. Since the continents are passively drifting with the plates over the course of millions of years, the Earth's geography has undergone enormous changes.

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Based on the image, it can be concluded that the four-digit code required for this escape room is 9146.

The image shows a clock with some missing numbers, these numbers have been replaced by letters and this is the key to discovering the code as you should replace the letters with numbers.

Based on the previous ideas, let's replace the letters and let's do it in alphabetical order, for this, we are going to use the regular numbers found in a clock.

A= 9

B= 1

C= 4

D= 6

Therefore, the code is 9146

Note Here is the missing image:

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The ventricle and the conus arteriosus form the second chamber of the fish heart.

The conus arteriosus is a cone-shaped chamber that plays a vital role in maintaining a one-way blood flow in the fish's circulatory system.

The conus arteriosus (infundibulum) forms the cone-shaped outflow tract of the right ventricle. It is located between the region of the right ventricle and pulmonary trunk and is characterized by its smooth walls which lack trabeculae. Separating the trabeculae carnae of the inflow part of the right ventricle from the conus arteriosus is a muscular ridge known as the supraventricular crest.

The conus arteriosus consists of a thin layer of cardiac muscle which overlies an elastic fibrous coat and therefore acts as a support structure for the pulmonary valve (located at the root of the pulmonary trunk). Beyond the pulmonary valve, the conus arteriosus continues as the pulmonary trunk and therefore functions to transport deoxygenated blood from the right ventricle to the pulmonary trunk and onto the lungs.

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The statement which is true about intracellular receptors in a signal transduction pathway is as follows:

Thus, the correct option for this question is B.

The signal transduction pathway may be characterized as a procedure through which a cell effectively responds to substances that are present outside the cell through signaling molecules found on the surface of and inside the cell.

With the help of this approach, a chemical or physical signal is typically transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases. This eventually leads to cellular response with respect to the substance that attaches to intracellular receptors.

Therefore, the correct option for this question is B.

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Answer:

Satellites are amazing tools for observing the Earth and the big blue ocean that covers more than 70 percent of our planet. By remotely sensing from their orbits high above the Earth, satellites provide us much more information than would be possible to obtain solely from the surface.

Satellites also provide information about the color of the ocean. For example, color data helps researchers determine the impact of floods along the coast, detect river plumes, and locate blooms of harmful algae that can contaminate shellfish and kill other fish and marine mammals. Ocean color data from satellites allows us not only to identify where an algal bloom is forming, but also to predict where it might drift in the future.

Explanation:

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Satellites are amazing tools for observing the Earth and the big blue ocean that covers more than 70 percent of our planet. By remotely sensing from their orbits high above the Earth, satellites provide us much more information than would be possible to obtain solely from the surface.

Using satellites, NOAA researchers closely study the ocean. Information gathered by satellites can tell us about ocean bathymetry, sea surface temperature, ocean color, coral reefs, and sea and lake ice. Scientists also use data collection systems on satellites to relay signals from transmitters on the ground to researchers in the field—used in applications such as measuring tidal heights and the migration of whales. Transmitters on satellites also relay position information from emergency beacons to help save lives when people are in distress on boats, airplanes, or in remote areas.

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Answer:

Mushroom cultivation has the potential to become a lucrative and sustainable industry in Nepal, with recent initiatives by the government promoting the industry for its nutritional value and growing market demand.

Explanation:

Mushroom cultivation has the potential to become a lucrative and sustainable industry in Nepal. The country's diverse climate, fertile soil, and abundant water resources provide ideal conditions for growing a wide variety of edible mushrooms.

Despite the favorable conditions, mushroom cultivation in Nepal is still in its infancy. However, there has been a recent surge in interest in mushroom cultivation as a means of generating income and improving food security. The government of Nepal has also recognized the potential of mushroom cultivation and has launched several initiatives to promote the industry.

Mushrooms are rich in protein, vitamins, and minerals, making them a nutritious addition to the diet. They are also a valuable source of income for farmers, as they can be grown in small spaces and require minimal investment. Furthermore, the demand for mushrooms is on the rise both domestically and internationally, presenting an opportunity for Nepalese farmers to tap into a growing market.

In conclusion, mushroom cultivation has the potential to provide a sustainable source of income for Nepalese farmers while also contributing to improved food security and nutrition. With proper support and investment, the industry can thrive and make a significant contribution to Nepal's agricultural sector.

Answer:

Articular articular cartilage is very important part of the long bone structure. It is present between the bones at the joints and help in reducing the friction between the joints. the epiphytes is data present at the end of the long bones are usually have a covering of the articular cartilage and it has a very thin layer of cartilage that helps in reducing the friction .

It also act as a shock absorber between the two bones and helps in the transmission of force from one phone to another and divide the force across the skeletal system. It also transmit the force on the bones with low fictional coefficient. The articular cartilage are very susceptible and prone to the injury and it lacks blood vessels and nerves. Articular cartilage is made up of hyaline cartilage and is made up of densely packed extracellular matrix which certain type of specialised cells known as chondrocytes. It is also made up of water , collagen , proteoglycans and glycoproteins .

Articular cartilage is necessary for long bones primarily because it acts as a protective cushion and facilitates smooth movement within joints.

Articular cartilage is a smooth, white, and rubbery tissue that covers the ends of bones in synovial joints. It acts as a cushion between the bones, allowing them to move smoothly against each other.

Articular cartilage is made up of cells called chondrocytes, which are embedded in a matrix of collagen fibers and proteoglycans. The collagen fibers provide strength and support, while the proteoglycans help to absorb shock and keep the cartilage moist.

Articular cartilage is avascular, meaning that it does not have its own blood supply. Instead, it gets its nutrients from the synovial fluid that bathes the joint.

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The choice that best describes when a cell becomes 2n is : ( C ) after meiosis when froming a zygote

Mitosis is a single round division of a parent body cell which produces two ( 2 ) identical diploid daughter cells ( 2n cells ). while Meiosis is the divison of parent gametes which produces four ( 4 ) haploid daughter cells. Meiosis leads to the production of gametes.

Hence we can conclude that The choice that best describes when a cell becomes 2n is : after meiosis when froming a zygote

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Answer:

A, yes.

Explanation:

A long-time period advantage of fitness: bone fitness.

Fitness means the situation of being bodily and mentally in shape with true health. it is the capability to perform every day duties with energy and application, with out undue fatigue, and with enough power to experience existence.

Exercise is a subset of physical interest that is deliberate, structured, and repetitive and has as a final or an intermediate goal the development or renovation of physical fitness. bodily health is a hard and fast of attributes that are either health- or skill-related.

Being physically energetic can improve your mind fitness, help manage weight, lessen the hazard of disease, strengthen bones and muscle mass, and enhance your ability to do ordinary sports. Adults who sit down much less and do any quantity of mild-to-vigorous bodily hobby benefit a few fitness benefits.

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Answer: bone health

Explanation:

trust me it's right

The terrestrial biome that has more biomass belowground than aboveground is the boreal forest. The boreal forest, also known as the taiga, is a biome that covers large parts of Canada, Russia, and Scandinavia.

This biome is characterized by long, cold winters and short, cool summers. Due to the harsh climate, the growth of trees and other vegetation in the boreal forest is slow, and as a result, most of the biomass is found belowground. The soils in the boreal forest are rich in organic matter, and they support a vast network of roots and fungi that store carbon and other nutrients.

The boreal forest is a unique biome that plays an important role in the global carbon cycle. Despite its relatively low productivity, this biome stores a significant amount of carbon in its soils and vegetation. The boreal forest is also home to a diverse array of wildlife, including moose, caribou, wolves, and bears. In recent years, the boreal forest has faced increasing pressure from human activities such as logging and mining, which threaten to degrade its ecological integrity.

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Best Explanation of Evolutionary Advantages of Habituation: Option B - Habituation allows an animal to tune out unimportant stimuli and focus on things that are essential to survival or reproduction.

1. Habituation refers to the process by which an animal becomes accustomed to a repeated or constant stimulus and gradually reduces or eliminates its response to that stimulus.

2. Option A suggests that habituation improves an animal's odds of survival because the habituated animal will not waste energy investigating novel objects. While this may be true to some extent, it does not fully explain the evolutionary advantages of habituation.

3. Option B states that habituation allows an animal to tune out unimportant stimuli and focus on things that are essential to survival or reproduction. This explanation aligns with the concept of selective attention, where an animal can prioritize relevant information and ignore irrelevant or non-threatening stimuli. By filtering out non-essential stimuli, the animal can allocate its limited resources more efficiently, such as energy and attention, towards activities that directly contribute to its survival or reproductive success.

4. Option C proposes that habituation enables an animal to generalize from bad experiences and avoid similar situations in the future. While this can be a potential advantage of habituation, it does not fully capture the evolutionary benefits of the process.

5. Option D suggests that an animal that becomes habituated to a stimulus learns from repeated exposure that positive outcomes, such as food, are associated with the stimulus. While this may be true in some cases, it does not encompass the broader advantages of habituation in terms of selective attention and efficient resource allocation.

In conclusion, option B provides the best explanation for the evolutionary advantages of habituation as it highlights the ability of animals to filter out unimportant stimuli and prioritize essential information for survival and reproduction.

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The phrase "semiconservative replication" refers to the DNA replication process in which the newly formed double-stranded DNA contains both a daughter and a parent strand.

The instructions required for a creature to grow, endure, and reproduce are encoded in its DNA. Nucleotide sequences must be transformed into instructions that can be utilized to create proteins, that are the large molecules that carry out the majority of the tasks in our bodies, in order to perform these activities.

DNA is crucial for inheritance, protein coding, for supplying guidelines for life or its activities in all living things. DNA regulates a person's or perhaps an animal's growth, reproduction, or final death. The average human cell has 23 sets of chromosomes, making it.

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Answer:

The correct answer is = 10

Explanation:

Given: \(x^{3} + 2 {x}^{2} - 3x + 4 \)

Formula/Theorem using:

Remainder theorem = if the polynomial p(x) is divided by the binomial x-a then p(a) will be the remainder.

Solution:

using remainder theorem;

p(x) = \(x^{3} + 2 {x}^{2} - 3x + 4 \)

divided by binomial x+2, then

p(-2) = \((-2)^{3} + 2 (-2)^{2} - 3(-2) + 4\)

       = -8 + 8 + 6 + 4

       = 10

Species richness and species diversity are two crucial metrics ecologists employ to define the make-up of a community.

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Answer:

An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.

Explanation:

A is the anwer, No rock material is constantly recycled on Earth's surface through the rock cycle.

Earth's age is generally acknowledged by astronomers and geologists to be 4.6 billion years. With the help of dating techniques like rubidium-strontium and uranium-lead, this age has been determined through the isotopic analysis of several meteorites as well as soil and rock samples from the Moon.

Rocks at the surface of the Earth are reduced in size by weathering. Sediments are the microscopic pieces. These sediments are moved around by erosion in different locations by running water, ice, and gravity. Sedimentation is the process by which sediments are deposited or laid down.

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Answer:

DNA is negatively charged

Explanation:

Electrophoresis: In biology, the term "electrophoresis" is described as one of the different laboratory technique that is being utilized to separate protein molecules, DNA, and RNA one the basis of their electrical charge and size. Therefore, a specific amount of "electric current" is being used to move different molecules that are required to be separated through a "gel". The given gel contains pores that generally works like a "sieve" and thus allows every small molecule to proceed faster as compared to the larger molecules.

DNA stands for "deoxyribonucleic acid" is determined as a long molecule that ought to contain an individual's unique "genetic code" and generally carried information associated for making proteins in an individual's body.

In the question above, the correct answer is "DNA is negatively charged".

The samples of DNA are placed next to the negatively charged electrode in the electrophoresis as DNA is negatively charged.

It is a laboratory technique, which is used to distinguish RNA, DNA or molecules of protein on the basis of their electrical charge and size. In the process, an electric current is utilized to move molecules to be separated via  a gel. The gel comprises pores that functions as a sieve, which permits smaller molecules to move faster in comparison to larger molecules.

DNA is a negatively charged molecule, thus, when it is used in the process of electrophoresis, the migration of DNA will take place towards the positively charged electrode. Through the gel, the DNA with shorter strands will move more briskly in comparison to the longer strands leading to the formation of fragments being aligned in order of size.

Thus, the samples of DNA are placed next to the negatively charged electrode as they are negatively charged.

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Answer:

As the primary lipase enzyme that hydrolyzes (breaks down) dietary fat molecules in the human digestive system, it is one of the main digestive enzymes, converting triglyceride substrates like 1 found in ingested oils to monoglycerides 3 and free fatty acids 2a and 2b.

Explanation:

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The frequency of heterozygotes predicted by the Hardy-Weinberg principle of given allele frequencies is 0.255. Hence, option B) is the correct answer.

The frequency of heterozygotes predicted by the Hardy-Weinberg principle can be calculated using the equation 2pq, where p and q are the frequencies of the two alleles in the population. In this case, p=0.15 and q=0.85.

Substituting these values into the equation, we get:

2(0.15)(0.85) = 0.255

Therefore, the frequency of heterozygotes predicted by the Hardy-Weinberg principle is 0.255.

The correct answer is B, 0.255.

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Answer:

10

Explanation:

The body is unable to produce essential amino acids. Because the body is unable to produce 9 amino acids, they must be received through diet. Thus, option A is the best choice.

An obligatory amino acid, also known as an essential amino acid, is one that the body cannot produce quickly enough to meet need and must thus be obtained from the food.

Humans and other animals cannot generate essential amino acids from metabolic intermediates. The body lacks the metabolic processes necessary to produce these amino acids, thus they must be obtained from an external diet.

The body is unable to produce essential amino acids. They must therefore originate from food. Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the nine essential amino acids.

Therefore, option A is the best choice.

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Your question is incomplete, most probably the complete question is :

How many amino acids must be obtained in the diet because they cannot be made by the body?